дано
m(H2SO4) = 48 g
+KOH
m(K2SO4) = ?
H2SO4+2KOH-->K2SO4+2H2O
M(H2SO4) = 98 g/mol
n(H2SO4) = m/M = 48 / 98 = 0.49 mol
n(H2SO4) = n(K2SO4) = 0.49 mol
M(K2SO4) = 174 g/mol
m(K2SO4) = n*M = 0.49 * 174 = 85.26 g
ответ 85.26 г
Объяснение:
дано
m(H2SO4) = 48 g
+KOH
m(K2SO4) = ?
H2SO4+2KOH-->K2SO4+2H2O
M(H2SO4) = 98 g/mol
n(H2SO4) = m/M = 48 / 98 = 0.49 mol
n(H2SO4) = n(K2SO4) = 0.49 mol
M(K2SO4) = 174 g/mol
m(K2SO4) = n*M = 0.49 * 174 = 85.26 g
ответ 85.26 г
Объяснение: